books.google.co.jp - The Ottoman Empire was heir to the architectural traditions not only of the Byzantine Empire but also to those of the medieval Islamic Middle East. Having learned from these, the Ottomans created a fusion of military architectural styles to which they added what they learned from their later medieval...https://books.google.co.jp/books/about/Ottoman_Fortifications_1300_1710.html?id=C9UVaLyo4UEC&utm_source=gb-gplus-shareOttoman Fortifications 1300-1710